You aren't getting a large discount on the Shift cost but it's still fine
Aya meanwhile has solid keywords and produces tokens, which in the right deck can provide just what you need
Sefris utilizes looting, cycling, sacrificing, entombing, and milling of creatures to trigger her venture ability on everyone's turn, allowing you generate huge value as you loot dungeons and reanimate haymakers to close out the game
Snow dual lands offer a nice budget alternative to more expensive dual lands, thanks to how searchable they are
Forests, Islands, Mountains, Plains and Swamps
So long as their life total is above 20, theyll gain at least ten poison counters instead from Heartless Hidetsugu, instantly making them lose the game